/* Multiple source language support for GDB.
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+
+ Copyright (C) 1991-1996, 1998-2005, 2007-2012 Free Software
+ Foundation, Inc.
+
Contributed by the Department of Computer Science at the State University
of New York at Buffalo.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file contains functions that return things that are specific
to languages. Each function should examine current_language if necessary,
- and return the appropriate result. */
+ and return the appropriate result. */
/* FIXME: Most of these would be better organized as macros which
return data out of a "language-specific" struct pointer that is set
#include "target.h"
#include "parser-defs.h"
#include "jv-lang.h"
+#include "demangle.h"
+#include "symfile.h"
extern void _initialize_language (void);
-static void show_language_command (char *, int);
-
-static void set_language_command (char *, int);
-
-static void show_type_command (char *, int);
-
-static void set_type_command (char *, int);
-
-static void show_range_command (char *, int);
-
-static void set_range_command (char *, int);
-
-static void show_case_command (char *, int);
-
-static void set_case_command (char *, int);
-
-static void set_case_str (void);
-
-static void set_range_str (void);
-
-static void set_type_str (void);
-
-static void set_lang_str (void);
-
static void unk_lang_error (char *);
static int unk_lang_parser (void);
static void set_check (char *, int);
-static void set_type_range_case (void);
-
-static void unk_lang_emit_char (int c, struct ui_file *stream, int quoter);
+static void set_range_case (void);
-static void unk_lang_printchar (int c, struct ui_file *stream);
+static void unk_lang_emit_char (int c, struct type *type,
+ struct ui_file *stream, int quoter);
-static void unk_lang_printstr (struct ui_file * stream, char *string,
- unsigned int length, int width,
- int force_ellipses);
+static void unk_lang_printchar (int c, struct type *type,
+ struct ui_file *stream);
-static struct type *unk_lang_create_fundamental_type (struct objfile *, int);
+static void unk_lang_value_print (struct value *, struct ui_file *,
+ const struct value_print_options *);
-static void unk_lang_print_type (struct type *, char *, struct ui_file *,
- int, int);
-
-static int unk_lang_val_print (struct type *, char *, int, CORE_ADDR,
- struct ui_file *, int, int, int,
- enum val_prettyprint);
-
-static int unk_lang_value_print (struct value *, struct ui_file *, int, enum val_prettyprint);
+static CORE_ADDR unk_lang_trampoline (struct frame_info *, CORE_ADDR pc);
/* Forward declaration */
extern const struct language_defn unknown_language_defn;
-extern char *warning_pre_print;
/* The current (default at startup) state of type and range checking.
(If the modes are set to "auto", though, these are changed based
enum range_mode range_mode = range_mode_auto;
enum range_check range_check = range_check_off;
-enum type_mode type_mode = type_mode_auto;
-enum type_check type_check = type_check_off;
enum case_mode case_mode = case_mode_auto;
enum case_sensitivity case_sensitivity = case_sensitive_on;
-/* The current language and language_mode (see language.h) */
+/* The current language and language_mode (see language.h). */
const struct language_defn *current_language = &unknown_language_defn;
enum language_mode language_mode = language_mode_auto;
static unsigned languages_allocsize;
#define DEFAULT_ALLOCSIZE 4
-/* The "set language/type/range" commands all put stuff in these
- buffers. This is to make them work as set/show commands. The
- user's string is copied here, then the set_* commands look at
- them and update them to something that looks nice when it is
- printed out. */
-
-static char *language;
-static char *type;
-static char *range;
-static char *case_sensitive;
+/* The current values of the "set language/type/range" enum
+ commands. */
+static const char *language;
+static const char *type;
+static const char *range;
+static const char *case_sensitive;
/* Warning issued when current_language and the language of the current
- frame do not match. */
+ frame do not match. */
char lang_frame_mismatch_warn[] =
"Warning: the current language does not match this frame.";
\f
-
/* This page contains the functions corresponding to GDB commands
- and their helpers. */
+ and their helpers. */
/* Show command. Display a warning if the language set
- does not match the frame. */
+ does not match the frame. */
static void
-show_language_command (char *ignore, int from_tty)
+show_language_command (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
- enum language flang; /* The language of the current frame */
+ enum language flang; /* The language of the current frame. */
+
+ if (language_mode == language_mode_auto)
+ fprintf_filtered (gdb_stdout,
+ _("The current source language is "
+ "\"auto; currently %s\".\n"),
+ current_language->la_name);
+ else
+ fprintf_filtered (gdb_stdout,
+ _("The current source language is \"%s\".\n"),
+ current_language->la_name);
flang = get_frame_language ();
if (flang != language_unknown &&
printf_filtered ("%s\n", lang_frame_mismatch_warn);
}
-/* Set command. Change the current working language. */
+/* Set command. Change the current working language. */
static void
-set_language_command (char *ignore, int from_tty)
+set_language_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
int i;
enum language flang;
- char *err_lang;
-
- if (!language || !language[0])
- {
- printf_unfiltered ("The currently understood settings are:\n\n");
- printf_unfiltered ("local or auto Automatic setting based on source file\n");
-
- for (i = 0; i < languages_size; ++i)
- {
- /* Already dealt with these above. */
- if (languages[i]->la_language == language_unknown
- || languages[i]->la_language == language_auto)
- continue;
-
- /* FIXME for now assume that the human-readable name is just
- a capitalization of the internal name. */
- printf_unfiltered ("%-16s Use the %c%s language\n",
- languages[i]->la_name,
- /* Capitalize first letter of language
- name. */
- toupper (languages[i]->la_name[0]),
- languages[i]->la_name + 1);
- }
- /* Restore the silly string. */
- set_language (current_language->la_language);
- return;
- }
/* Search the list of languages for a match. */
for (i = 0; i < languages_size; i++)
{
- if (STREQ (languages[i]->la_name, language))
+ if (strcmp (languages[i]->la_name, language) == 0)
{
/* Found it! Go into manual mode, and use this language. */
if (languages[i]->la_language == language_auto)
{
- /* Enter auto mode. Set to the current frame's language, if known. */
+ /* Enter auto mode. Set to the current frame's language, if
+ known, or fallback to the initial language. */
language_mode = language_mode_auto;
flang = get_frame_language ();
if (flang != language_unknown)
set_language (flang);
+ else
+ set_initial_language ();
expected_language = current_language;
return;
}
/* Enter manual mode. Set the specified language. */
language_mode = language_mode_manual;
current_language = languages[i];
- set_type_range_case ();
- set_lang_str ();
+ set_range_case ();
expected_language = current_language;
return;
}
}
}
- /* Reset the language (esp. the global string "language") to the
- correct values. */
- err_lang = savestring (language, strlen (language));
- make_cleanup (xfree, err_lang); /* Free it after error */
- set_language (current_language->la_language);
- error ("Unknown language `%s'.", err_lang);
+ internal_error (__FILE__, __LINE__,
+ "Couldn't find language `%s' in known languages list.",
+ language);
}
-/* Show command. Display a warning if the type setting does
- not match the current language. */
-static void
-show_type_command (char *ignore, int from_tty)
-{
- if (type_check != current_language->la_type_check)
- printf_unfiltered (
- "Warning: the current type check setting does not match the language.\n");
-}
-
-/* Set command. Change the setting for type checking. */
+/* Show command. Display a warning if the range setting does
+ not match the current language. */
static void
-set_type_command (char *ignore, int from_tty)
+show_range_command (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
- if (STREQ (type, "on"))
- {
- type_check = type_check_on;
- type_mode = type_mode_manual;
- }
- else if (STREQ (type, "warn"))
- {
- type_check = type_check_warn;
- type_mode = type_mode_manual;
- }
- else if (STREQ (type, "off"))
- {
- type_check = type_check_off;
- type_mode = type_mode_manual;
- }
- else if (STREQ (type, "auto"))
+ if (range_mode == range_mode_auto)
{
- type_mode = type_mode_auto;
- set_type_range_case ();
- /* Avoid hitting the set_type_str call below. We
- did it in set_type_range_case. */
- return;
+ char *tmp;
+
+ switch (range_check)
+ {
+ case range_check_on:
+ tmp = "on";
+ break;
+ case range_check_off:
+ tmp = "off";
+ break;
+ case range_check_warn:
+ tmp = "warn";
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ "Unrecognized range check setting.");
+ }
+
+ fprintf_filtered (gdb_stdout,
+ _("Range checking is \"auto; currently %s\".\n"),
+ tmp);
}
else
- {
- warning ("Unrecognized type check setting: \"%s\"", type);
- }
- set_type_str ();
- show_type_command ((char *) NULL, from_tty);
-}
-
-/* Show command. Display a warning if the range setting does
- not match the current language. */
-static void
-show_range_command (char *ignore, int from_tty)
-{
+ fprintf_filtered (gdb_stdout, _("Range checking is \"%s\".\n"),
+ value);
if (range_check != current_language->la_range_check)
- printf_unfiltered (
- "Warning: the current range check setting does not match the language.\n");
+ warning (_("the current range check setting "
+ "does not match the language.\n"));
}
-/* Set command. Change the setting for range checking. */
+/* Set command. Change the setting for range checking. */
static void
-set_range_command (char *ignore, int from_tty)
+set_range_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
- if (STREQ (range, "on"))
+ if (strcmp (range, "on") == 0)
{
range_check = range_check_on;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "warn"))
+ else if (strcmp (range, "warn") == 0)
{
range_check = range_check_warn;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "off"))
+ else if (strcmp (range, "off") == 0)
{
range_check = range_check_off;
range_mode = range_mode_manual;
}
- else if (STREQ (range, "auto"))
+ else if (strcmp (range, "auto") == 0)
{
range_mode = range_mode_auto;
- set_type_range_case ();
- /* Avoid hitting the set_range_str call below. We
- did it in set_type_range_case. */
+ set_range_case ();
return;
}
else
{
- warning ("Unrecognized range check setting: \"%s\"", range);
+ internal_error (__FILE__, __LINE__,
+ _("Unrecognized range check setting: \"%s\""), range);
}
- set_range_str ();
- show_range_command ((char *) 0, from_tty);
+ if (range_check != current_language->la_range_check)
+ warning (_("the current range check setting "
+ "does not match the language.\n"));
}
/* Show command. Display a warning if the case sensitivity setting does
- not match the current language. */
+ not match the current language. */
static void
-show_case_command (char *ignore, int from_tty)
+show_case_command (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
{
- if (case_sensitivity != current_language->la_case_sensitivity)
- printf_unfiltered(
-"Warning: the current case sensitivity setting does not match the language.\n");
+ if (case_mode == case_mode_auto)
+ {
+ char *tmp = NULL;
+
+ switch (case_sensitivity)
+ {
+ case case_sensitive_on:
+ tmp = "on";
+ break;
+ case case_sensitive_off:
+ tmp = "off";
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ "Unrecognized case-sensitive setting.");
+ }
+
+ fprintf_filtered (gdb_stdout,
+ _("Case sensitivity in "
+ "name search is \"auto; currently %s\".\n"),
+ tmp);
+ }
+ else
+ fprintf_filtered (gdb_stdout,
+ _("Case sensitivity in name search is \"%s\".\n"),
+ value);
+
+ if (case_sensitivity != current_language->la_case_sensitivity)
+ warning (_("the current case sensitivity setting does not match "
+ "the language.\n"));
}
-/* Set command. Change the setting for case sensitivity. */
+/* Set command. Change the setting for case sensitivity. */
+
static void
-set_case_command (char *ignore, int from_tty)
+set_case_command (char *ignore, int from_tty, struct cmd_list_element *c)
{
- if (STREQ (case_sensitive, "on"))
- {
- case_sensitivity = case_sensitive_on;
- case_mode = case_mode_manual;
- }
- else if (STREQ (case_sensitive, "off"))
- {
- case_sensitivity = case_sensitive_off;
- case_mode = case_mode_manual;
- }
- else if (STREQ (case_sensitive, "auto"))
- {
- case_mode = case_mode_auto;
- set_type_range_case ();
- /* Avoid hitting the set_case_str call below. We
- did it in set_type_range_case. */
- return;
- }
+ if (strcmp (case_sensitive, "on") == 0)
+ {
+ case_sensitivity = case_sensitive_on;
+ case_mode = case_mode_manual;
+ }
+ else if (strcmp (case_sensitive, "off") == 0)
+ {
+ case_sensitivity = case_sensitive_off;
+ case_mode = case_mode_manual;
+ }
+ else if (strcmp (case_sensitive, "auto") == 0)
+ {
+ case_mode = case_mode_auto;
+ set_range_case ();
+ return;
+ }
else
- {
- warning ("Unrecognized case-sensitive setting: \"%s\"", case_sensitive);
- }
- set_case_str();
- show_case_command ((char *) NULL, from_tty);
+ {
+ internal_error (__FILE__, __LINE__,
+ "Unrecognized case-sensitive setting: \"%s\"",
+ case_sensitive);
+ }
+
+ if (case_sensitivity != current_language->la_case_sensitivity)
+ warning (_("the current case sensitivity setting does not match "
+ "the language.\n"));
}
/* Set the status of range and type checking and case sensitivity based on
the current modes and the current language.
If SHOW is non-zero, then print out the current language,
- type and range checking status. */
+ type and range checking status. */
static void
-set_type_range_case (void)
+set_range_case (void)
{
-
if (range_mode == range_mode_auto)
range_check = current_language->la_range_check;
- if (type_mode == type_mode_auto)
- type_check = current_language->la_type_check;
-
if (case_mode == case_mode_auto)
case_sensitivity = current_language->la_case_sensitivity;
-
- set_type_str ();
- set_range_str ();
- set_case_str ();
}
-/* Set current language to (enum language) LANG. Returns previous language. */
+/* Set current language to (enum language) LANG. Returns previous
+ language. */
enum language
set_language (enum language lang)
if (languages[i]->la_language == lang)
{
current_language = languages[i];
- set_type_range_case ();
- set_lang_str ();
+ set_range_case ();
break;
}
}
return prev_language;
}
\f
-/* This page contains functions that update the global vars
- language, type and range. */
-static void
-set_lang_str (void)
-{
- char *prefix = "";
-
- if (language)
- xfree (language);
- if (language_mode == language_mode_auto)
- prefix = "auto; currently ";
-
- language = concat (prefix, current_language->la_name, NULL);
-}
-
-static void
-set_type_str (void)
-{
- char *tmp = NULL, *prefix = "";
-
- if (type)
- xfree (type);
- if (type_mode == type_mode_auto)
- prefix = "auto; currently ";
-
- switch (type_check)
- {
- case type_check_on:
- tmp = "on";
- break;
- case type_check_off:
- tmp = "off";
- break;
- case type_check_warn:
- tmp = "warn";
- break;
- default:
- error ("Unrecognized type check setting.");
- }
-
- type = concat (prefix, tmp, NULL);
-}
-
-static void
-set_range_str (void)
-{
- char *tmp, *pref = "";
-
- if (range_mode == range_mode_auto)
- pref = "auto; currently ";
-
- switch (range_check)
- {
- case range_check_on:
- tmp = "on";
- break;
- case range_check_off:
- tmp = "off";
- break;
- case range_check_warn:
- tmp = "warn";
- break;
- default:
- error ("Unrecognized range check setting.");
- }
-
- if (range)
- xfree (range);
- range = concat (pref, tmp, NULL);
-}
-
-static void
-set_case_str()
-{
- char *tmp = NULL, *prefix = "";
-
- if (case_mode==case_mode_auto)
- prefix = "auto; currently ";
-
- switch (case_sensitivity)
- {
- case case_sensitive_on:
- tmp = "on";
- break;
- case case_sensitive_off:
- tmp = "off";
- break;
- default:
- error ("Unrecognized case-sensitive setting.");
- }
-
- xfree (case_sensitive);
- case_sensitive = concat (prefix, tmp, NULL);
-}
/* Print out the current language settings: language, range and
type checking. If QUIETLY, print only what has changed. */
return;
expected_language = current_language;
- printf_unfiltered ("Current language: %s\n", language);
- show_language_command ((char *) 0, 1);
+ printf_unfiltered (_("Current language: %s\n"), language);
+ show_language_command (NULL, 1, NULL, NULL);
if (!quietly)
{
- printf_unfiltered ("Type checking: %s\n", type);
- show_type_command ((char *) 0, 1);
- printf_unfiltered ("Range checking: %s\n", range);
- show_range_command ((char *) 0, 1);
- printf_unfiltered ("Case sensitivity: %s\n", case_sensitive);
- show_case_command ((char *) 0, 1);
- }
-}
-\f
-/* Return the result of a binary operation. */
-
-#if 0 /* Currently unused */
-
-struct type *
-binop_result_type (struct value *v1, struct value *v2)
-{
- int size, uns;
- struct type *t1 = check_typedef (VALUE_TYPE (v1));
- struct type *t2 = check_typedef (VALUE_TYPE (v2));
-
- int l1 = TYPE_LENGTH (t1);
- int l2 = TYPE_LENGTH (t2);
-
- switch (current_language->la_language)
- {
- case language_c:
- case language_cplus:
- if (TYPE_CODE (t1) == TYPE_CODE_FLT)
- return TYPE_CODE (t2) == TYPE_CODE_FLT && l2 > l1 ?
- VALUE_TYPE (v2) : VALUE_TYPE (v1);
- else if (TYPE_CODE (t2) == TYPE_CODE_FLT)
- return TYPE_CODE (t1) == TYPE_CODE_FLT && l1 > l2 ?
- VALUE_TYPE (v1) : VALUE_TYPE (v2);
- else if (TYPE_UNSIGNED (t1) && l1 > l2)
- return VALUE_TYPE (v1);
- else if (TYPE_UNSIGNED (t2) && l2 > l1)
- return VALUE_TYPE (v2);
- else /* Both are signed. Result is the longer type */
- return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
- break;
- case language_m2:
- /* If we are doing type-checking, l1 should equal l2, so this is
- not needed. */
- return l1 > l2 ? VALUE_TYPE (v1) : VALUE_TYPE (v2);
- break;
- case language_chill:
- error ("Missing Chill support in function binop_result_check."); /*FIXME */
+ printf_unfiltered (_("Range checking: %s\n"), range);
+ show_range_command (NULL, 1, NULL, NULL);
+ printf_unfiltered (_("Case sensitivity: %s\n"), case_sensitive);
+ show_case_command (NULL, 1, NULL, NULL);
}
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
- return (struct type *) 0; /* For lint */
-}
-
-#endif /* 0 */
-\f
-
-/* This page contains functions that return format strings for
- printf for printing out numbers in different formats */
-
-/* Returns the appropriate printf format for hexadecimal
- numbers. */
-char *
-local_hex_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_hex_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_hex_format_specifier ());
- strcat (form, local_hex_format_suffix ());
- return form;
-}
-
-/* Converts a number to hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-local_hex_string (unsigned long num)
-{
- static char res[50];
-
- sprintf (res, local_hex_format (), num);
- return res;
-}
-
-/* Converts a LONGEST number to hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-longest_local_hex_string (LONGEST num)
-{
- return longest_local_hex_string_custom (num, "l");
-}
-
-/* Converts a number to custom hexadecimal and stores it in a static
- string. Returns a pointer to this string. */
-char *
-local_hex_string_custom (unsigned long num, char *pre)
-{
- static char res[50];
-
- sprintf (res, local_hex_format_custom (pre), num);
- return res;
-}
-
-/* Converts a LONGEST number to custom hexadecimal and stores it in a static
- string. Returns a pointer to this string. Note that the width parameter
- should end with "l", e.g. "08l" as with calls to local_hex_string_custom */
-
-char *
-longest_local_hex_string_custom (LONGEST num, char *width)
-{
-#define RESULT_BUF_LEN 50
- static char res2[RESULT_BUF_LEN];
- char format[RESULT_BUF_LEN];
-#if !defined (PRINTF_HAS_LONG_LONG)
- int field_width;
- int num_len;
- int num_pad_chars;
- char *pad_char; /* string with one character */
- int pad_on_left;
- char *parse_ptr;
- char temp_nbr_buf[RESULT_BUF_LEN];
-#endif
-
-#ifndef CC_HAS_LONG_LONG
- /* If there is no long long, then LONGEST should be just long and we
- can use local_hex_string_custom
- */
- return local_hex_string_custom ((unsigned long) num, width);
-#elif defined (PRINTF_HAS_LONG_LONG)
- /* Just use printf. */
- strcpy (format, local_hex_format_prefix ()); /* 0x */
- strcat (format, "%");
- strcat (format, width); /* e.g. "08l" */
- strcat (format, "l"); /* need "ll" for long long */
- strcat (format, local_hex_format_specifier ()); /* "x" */
- strcat (format, local_hex_format_suffix ()); /* "" */
- sprintf (res2, format, num);
- return res2;
-#else /* !defined (PRINTF_HAS_LONG_LONG) */
- /* Use strcat_address_numeric to print the number into a string, then
- build the result string from local_hex_format_prefix, padding and
- the hex representation as indicated by "width". */
-
- temp_nbr_buf[0] = 0;
- /* With use_local == 0, we don't get the leading "0x" prefix. */
- /* MERGEBUG ?? As a quick fix I am replacing this call to
- strcat_address_numeric with sprintf
- strcat_address_numeric(num, 0, temp_nbr_buf, RESULT_BUF_LEN);
- */
-
- {
- long long ll = num;
- sprintf (temp_nbr_buf, "%llx", ll);
- }
- /* parse width */
- parse_ptr = width;
- pad_on_left = 1;
- pad_char = " ";
- if (*parse_ptr == '-')
- {
- parse_ptr++;
- pad_on_left = 0;
- }
- if (*parse_ptr == '0')
- {
- parse_ptr++;
- if (pad_on_left)
- pad_char = "0"; /* If padding is on the right, it is blank */
- }
- field_width = atoi (parse_ptr);
- num_len = strlen (temp_nbr_buf);
- num_pad_chars = field_width - strlen (temp_nbr_buf); /* possibly negative */
-
- if (strlen (local_hex_format_prefix ()) + num_len + num_pad_chars
- >= RESULT_BUF_LEN) /* paranoia */
- internal_error (__FILE__, __LINE__,
- "longest_local_hex_string_custom: insufficient space to store result");
-
- strcpy (res2, local_hex_format_prefix ());
- if (pad_on_left)
- {
- while (num_pad_chars > 0)
- {
- strcat (res2, pad_char);
- num_pad_chars--;
- }
- }
- strcat (res2, temp_nbr_buf);
- if (!pad_on_left)
- {
- while (num_pad_chars > 0)
- {
- strcat (res2, pad_char);
- num_pad_chars--;
- }
- }
- return res2;
-#endif
-
-} /* longest_local_hex_string_custom */
-
-/* Returns the appropriate printf format for octal
- numbers. */
-char *
-local_octal_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_octal_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_octal_format_specifier ());
- strcat (form, local_octal_format_suffix ());
- return form;
-}
-
-/* Returns the appropriate printf format for decimal numbers. */
-char *
-local_decimal_format_custom (char *pre)
-{
- static char form[50];
-
- strcpy (form, local_decimal_format_prefix ());
- strcat (form, "%");
- strcat (form, pre);
- strcat (form, local_decimal_format_specifier ());
- strcat (form, local_decimal_format_suffix ());
- return form;
}
\f
-#if 0
-/* This page contains functions that are used in type/range checking.
- They all return zero if the type/range check fails.
-
- It is hoped that these will make extending GDB to parse different
- languages a little easier. These are primarily used in eval.c when
- evaluating expressions and making sure that their types are correct.
- Instead of having a mess of conjucted/disjuncted expressions in an "if",
- the ideas of type can be wrapped up in the following functions.
-
- Note that some of them are not currently dependent upon which language
- is currently being parsed. For example, floats are the same in
- C and Modula-2 (ie. the only floating point type has TYPE_CODE of
- TYPE_CODE_FLT), while booleans are different. */
-
-/* Returns non-zero if its argument is a simple type. This is the same for
- both Modula-2 and for C. In the C case, TYPE_CODE_CHAR will never occur,
- and thus will never cause the failure of the test. */
-int
-simple_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_INT:
- case TYPE_CODE_CHAR:
- case TYPE_CODE_ENUM:
- case TYPE_CODE_FLT:
- case TYPE_CODE_RANGE:
- case TYPE_CODE_BOOL:
- return 1;
-
- default:
- return 0;
- }
-}
-
-/* Returns non-zero if its argument is of an ordered type.
- An ordered type is one in which the elements can be tested for the
- properties of "greater than", "less than", etc, or for which the
- operations "increment" or "decrement" make sense. */
-int
-ordered_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_INT:
- case TYPE_CODE_CHAR:
- case TYPE_CODE_ENUM:
- case TYPE_CODE_FLT:
- case TYPE_CODE_RANGE:
- return 1;
-
- default:
- return 0;
- }
-}
-/* Returns non-zero if the two types are the same */
-int
-same_type (struct type *arg1, struct type *arg2)
-{
- CHECK_TYPEDEF (type);
- if (structured_type (arg1) ? !structured_type (arg2) : structured_type (arg2))
- /* One is structured and one isn't */
- return 0;
- else if (structured_type (arg1) && structured_type (arg2))
- return arg1 == arg2;
- else if (numeric_type (arg1) && numeric_type (arg2))
- return (TYPE_CODE (arg2) == TYPE_CODE (arg1)) &&
- (TYPE_UNSIGNED (arg1) == TYPE_UNSIGNED (arg2))
- ? 1 : 0;
- else
- return arg1 == arg2;
-}
-
-/* Returns non-zero if the type is integral */
-int
-integral_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (current_language->la_language)
- {
- case language_c:
- case language_cplus:
- return (TYPE_CODE (type) != TYPE_CODE_INT) &&
- (TYPE_CODE (type) != TYPE_CODE_ENUM) ? 0 : 1;
- case language_m2:
- case language_pascal:
- return TYPE_CODE (type) != TYPE_CODE_INT ? 0 : 1;
- case language_chill:
- error ("Missing Chill support in function integral_type."); /*FIXME */
- default:
- error ("Language not supported.");
- }
-}
-
-/* Returns non-zero if the value is numeric */
-int
-numeric_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_INT:
- case TYPE_CODE_FLT:
- return 1;
-
- default:
- return 0;
- }
-}
-
-/* Returns non-zero if the value is a character type */
-int
-character_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (current_language->la_language)
- {
- case language_chill:
- case language_m2:
- case language_pascal:
- return TYPE_CODE (type) != TYPE_CODE_CHAR ? 0 : 1;
-
- case language_c:
- case language_cplus:
- return (TYPE_CODE (type) == TYPE_CODE_INT) &&
- TYPE_LENGTH (type) == sizeof (char)
- ? 1 : 0;
- default:
- return (0);
- }
-}
-
-/* Returns non-zero if the value is a string type */
-int
-string_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (current_language->la_language)
- {
- case language_chill:
- case language_m2:
- case language_pascal:
- return TYPE_CODE (type) != TYPE_CODE_STRING ? 0 : 1;
-
- case language_c:
- case language_cplus:
- /* C does not have distinct string type. */
- return (0);
- default:
- return (0);
- }
-}
-
-/* Returns non-zero if the value is a boolean type */
-int
-boolean_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- if (TYPE_CODE (type) == TYPE_CODE_BOOL)
- return 1;
- switch (current_language->la_language)
- {
- case language_c:
- case language_cplus:
- /* Might be more cleanly handled by having a TYPE_CODE_INT_NOT_BOOL
- for CHILL and such languages, or a TYPE_CODE_INT_OR_BOOL for C. */
- if (TYPE_CODE (type) == TYPE_CODE_INT)
- return 1;
- default:
- break;
- }
- return 0;
-}
-
-/* Returns non-zero if the value is a floating-point type */
-int
-float_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- return TYPE_CODE (type) == TYPE_CODE_FLT;
-}
-
-/* Returns non-zero if the value is a pointer type */
+/* Returns non-zero if the value is a pointer type. */
int
pointer_type (struct type *type)
{
TYPE_CODE (type) == TYPE_CODE_REF;
}
-/* Returns non-zero if the value is a structured type */
-int
-structured_type (struct type *type)
-{
- CHECK_TYPEDEF (type);
- switch (current_language->la_language)
- {
- case language_c:
- case language_cplus:
- return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
- (TYPE_CODE (type) == TYPE_CODE_UNION) ||
- (TYPE_CODE (type) == TYPE_CODE_ARRAY);
- case language_pascal:
- return (TYPE_CODE(type) == TYPE_CODE_STRUCT) ||
- (TYPE_CODE(type) == TYPE_CODE_UNION) ||
- (TYPE_CODE(type) == TYPE_CODE_SET) ||
- (TYPE_CODE(type) == TYPE_CODE_ARRAY);
- case language_m2:
- return (TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
- (TYPE_CODE (type) == TYPE_CODE_SET) ||
- (TYPE_CODE (type) == TYPE_CODE_ARRAY);
- case language_chill:
- error ("Missing Chill support in function structured_type."); /*FIXME */
- default:
- return (0);
- }
-}
-#endif
-\f
-struct type *
-lang_bool_type (void)
-{
- struct symbol *sym;
- struct type *type;
- switch (current_language->la_language)
- {
- case language_chill:
- return builtin_type_chill_bool;
- case language_fortran:
- sym = lookup_symbol ("logical", NULL, VAR_NAMESPACE, NULL, NULL);
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return builtin_type_f_logical_s2;
- case language_cplus:
- case language_pascal:
- if (current_language->la_language==language_cplus)
- {sym = lookup_symbol ("bool", NULL, VAR_NAMESPACE, NULL, NULL);}
- else
- {sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);}
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return builtin_type_bool;
- case language_java:
- sym = lookup_symbol ("boolean", NULL, VAR_NAMESPACE, NULL, NULL);
- if (sym)
- {
- type = SYMBOL_TYPE (sym);
- if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
- return type;
- }
- return java_boolean_type;
- default:
- return builtin_type_int;
- }
-}
\f
/* This page contains functions that return info about
- (struct value) values used in GDB. */
+ (struct value) values used in GDB. */
-/* Returns non-zero if the value VAL represents a true value. */
+/* Returns non-zero if the value VAL represents a true value. */
int
value_true (struct value *val)
{
return !value_logical_not (val);
}
\f
-/* Returns non-zero if the operator OP is defined on
- the values ARG1 and ARG2. */
+/* This page contains functions for the printing out of
+ error messages that occur during type- and range-
+ checking. */
-#if 0 /* Currently unused */
+/* This is called when a language fails a range-check. The
+ first argument should be a printf()-style format string, and the
+ rest of the arguments should be its arguments. If range_check is
+ range_check_on, an error is printed; if range_check_warn, a warning;
+ otherwise just the message. */
void
-binop_type_check (struct value *arg1, struct value *arg2, int op)
+range_error (const char *string,...)
{
- struct type *t1, *t2;
-
- /* If we're not checking types, always return success. */
- if (!STRICT_TYPE)
- return;
-
- t1 = VALUE_TYPE (arg1);
- if (arg2 != NULL)
- t2 = VALUE_TYPE (arg2);
- else
- t2 = NULL;
+ va_list args;
- switch (op)
+ va_start (args, string);
+ switch (range_check)
{
- case BINOP_ADD:
- case BINOP_SUB:
- if ((numeric_type (t1) && pointer_type (t2)) ||
- (pointer_type (t1) && numeric_type (t2)))
- {
- warning ("combining pointer and integer.\n");
- break;
- }
- case BINOP_MUL:
- case BINOP_LSH:
- case BINOP_RSH:
- if (!numeric_type (t1) || !numeric_type (t2))
- type_op_error ("Arguments to %s must be numbers.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_LOGICAL_AND:
- case BINOP_LOGICAL_OR:
- if (!boolean_type (t1) || !boolean_type (t2))
- type_op_error ("Arguments to %s must be of boolean type.", op);
- break;
-
- case BINOP_EQUAL:
- if ((pointer_type (t1) && !(pointer_type (t2) || integral_type (t2))) ||
- (pointer_type (t2) && !(pointer_type (t1) || integral_type (t1))))
- type_op_error ("A pointer can only be compared to an integer or pointer.", op);
- else if ((pointer_type (t1) && integral_type (t2)) ||
- (integral_type (t1) && pointer_type (t2)))
- {
- warning ("combining integer and pointer.\n");
- break;
- }
- else if (!simple_type (t1) || !simple_type (t2))
- type_op_error ("Arguments to %s must be of simple type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_REM:
- case BINOP_MOD:
- if (!integral_type (t1) || !integral_type (t2))
- type_op_error ("Arguments to %s must be of integral type.", op);
- break;
-
- case BINOP_LESS:
- case BINOP_GTR:
- case BINOP_LEQ:
- case BINOP_GEQ:
- if (!ordered_type (t1) || !ordered_type (t2))
- type_op_error ("Arguments to %s must be of ordered type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_ASSIGN:
- if (pointer_type (t1) && !integral_type (t2))
- type_op_error ("A pointer can only be assigned an integer.", op);
- else if (pointer_type (t1) && integral_type (t2))
- {
- warning ("combining integer and pointer.");
- break;
- }
- else if (!simple_type (t1) || !simple_type (t2))
- type_op_error ("Arguments to %s must be of simple type.", op);
- else if (!same_type (t1, t2))
- type_op_error ("Arguments to %s must be of the same type.", op);
- break;
-
- case BINOP_CONCAT:
- /* FIXME: Needs to handle bitstrings as well. */
- if (!(string_type (t1) || character_type (t1) || integral_type (t1))
- || !(string_type (t2) || character_type (t2) || integral_type (t2)))
- type_op_error ("Arguments to %s must be strings or characters.", op);
- break;
-
- /* Unary checks -- arg2 is null */
-
- case UNOP_LOGICAL_NOT:
- if (!boolean_type (t1))
- type_op_error ("Argument to %s must be of boolean type.", op);
- break;
-
- case UNOP_PLUS:
- case UNOP_NEG:
- if (!numeric_type (t1))
- type_op_error ("Argument to %s must be of numeric type.", op);
+ case range_check_warn:
+ vwarning (string, args);
break;
-
- case UNOP_IND:
- if (integral_type (t1))
- {
- warning ("combining pointer and integer.\n");
- break;
- }
- else if (!pointer_type (t1))
- type_op_error ("Argument to %s must be a pointer.", op);
+ case range_check_on:
+ verror (string, args);
break;
-
- case UNOP_PREINCREMENT:
- case UNOP_POSTINCREMENT:
- case UNOP_PREDECREMENT:
- case UNOP_POSTDECREMENT:
- if (!ordered_type (t1))
- type_op_error ("Argument to %s must be of an ordered type.", op);
+ case range_check_off:
+ /* FIXME: cagney/2002-01-30: Should this function print anything
+ when range error is off? */
+ vfprintf_filtered (gdb_stderr, string, args);
+ fprintf_filtered (gdb_stderr, "\n");
break;
-
default:
- /* Ok. The following operators have different meanings in
- different languages. */
- switch (current_language->la_language)
- {
-#ifdef _LANG_c
- case language_c:
- case language_cplus:
- switch (op)
- {
- case BINOP_DIV:
- if (!numeric_type (t1) || !numeric_type (t2))
- type_op_error ("Arguments to %s must be numbers.", op);
- break;
- }
- break;
-#endif
-
-#ifdef _LANG_m2
- case language_m2:
- switch (op)
- {
- case BINOP_DIV:
- if (!float_type (t1) || !float_type (t2))
- type_op_error ("Arguments to %s must be floating point numbers.", op);
- break;
- case BINOP_INTDIV:
- if (!integral_type (t1) || !integral_type (t2))
- type_op_error ("Arguments to %s must be of integral type.", op);
- break;
- }
-#endif
-
-#ifdef _LANG_pascal
- case language_pascal:
- switch(op)
- {
- case BINOP_DIV:
- if (!float_type(t1) && !float_type(t2))
- type_op_error ("Arguments to %s must be floating point numbers.",op);
- break;
- case BINOP_INTDIV:
- if (!integral_type(t1) || !integral_type(t2))
- type_op_error ("Arguments to %s must be of integral type.",op);
- break;
- }
-#endif
-
-#ifdef _LANG_chill
- case language_chill:
- error ("Missing Chill support in function binop_type_check."); /*FIXME */
-#endif
-
- }
+ internal_error (__FILE__, __LINE__, _("bad switch"));
}
-}
-
-#endif /* 0 */
-\f
-
-/* This page contains functions for the printing out of
- error messages that occur during type- and range-
- checking. */
-
-/* Prints the format string FMT with the operator as a string
- corresponding to the opcode OP. If FATAL is non-zero, then
- this is an error and error () is called. Otherwise, it is
- a warning and printf() is called. */
-void
-op_error (char *fmt, enum exp_opcode op, int fatal)
-{
- if (fatal)
- error (fmt, op_string (op));
- else
- {
- warning (fmt, op_string (op));
- }
-}
-
-/* These are called when a language fails a type- or range-check.
- The first argument should be a printf()-style format string, and
- the rest of the arguments should be its arguments. If
- [type|range]_check is [type|range]_check_on, then return_to_top_level()
- is called in the style of error (). Otherwise, the message is prefixed
- by the value of warning_pre_print and we do not return to the top level. */
-
-void
-type_error (char *string,...)
-{
- va_list args;
- va_start (args, string);
-
- if (type_check == type_check_warn)
- fprintf_filtered (gdb_stderr, warning_pre_print);
- else
- error_begin ();
-
- vfprintf_filtered (gdb_stderr, string, args);
- fprintf_filtered (gdb_stderr, "\n");
- va_end (args);
- if (type_check == type_check_on)
- return_to_top_level (RETURN_ERROR);
-}
-
-void
-range_error (char *string,...)
-{
- va_list args;
- va_start (args, string);
-
- if (range_check == range_check_warn)
- fprintf_filtered (gdb_stderr, warning_pre_print);
- else
- error_begin ();
-
- vfprintf_filtered (gdb_stderr, string, args);
- fprintf_filtered (gdb_stderr, "\n");
va_end (args);
- if (range_check == range_check_on)
- return_to_top_level (RETURN_ERROR);
}
\f
-/* This page contains miscellaneous functions */
+/* This page contains miscellaneous functions. */
-/* Return the language enum for a given language string. */
+/* Return the language enum for a given language string. */
enum language
language_enum (char *str)
int i;
for (i = 0; i < languages_size; i++)
- if (STREQ (languages[i]->la_name, str))
+ if (strcmp (languages[i]->la_name, str) == 0)
return languages[i]->la_language;
return language_unknown;
}
-/* Return the language struct for a given language enum. */
+/* Return the language struct for a given language enum. */
const struct language_defn *
language_def (enum language lang)
return NULL;
}
-/* Return the language as a string */
+/* Return the language as a string. */
char *
language_str (enum language lang)
{
void
add_language (const struct language_defn *lang)
{
+ /* For the "set language" command. */
+ static char **language_names = NULL;
+ /* For the "help set language" command. */
+ char *language_set_doc = NULL;
+
+ int i;
+ struct ui_file *tmp_stream;
+
if (lang->la_magic != LANG_MAGIC)
{
- fprintf_unfiltered (gdb_stderr, "Magic number of %s language struct wrong\n",
+ fprintf_unfiltered (gdb_stderr,
+ "Magic number of %s language struct wrong\n",
lang->la_name);
- internal_error (__FILE__, __LINE__, "failed internal consistency check");
+ internal_error (__FILE__, __LINE__,
+ _("failed internal consistency check"));
}
if (!languages)
languages_allocsize * sizeof (*languages));
}
languages[languages_size++] = lang;
+
+ /* Build the language names array, to be used as enumeration in the
+ set language" enum command. */
+ language_names = xrealloc (language_names,
+ (languages_size + 1) * sizeof (const char *));
+ for (i = 0; i < languages_size; ++i)
+ language_names[i] = languages[i]->la_name;
+ language_names[i] = NULL;
+
+ /* Build the "help set language" docs. */
+ tmp_stream = mem_fileopen ();
+
+ fprintf_unfiltered (tmp_stream,
+ _("Set the current source language.\n"
+ "The currently understood settings are:\n\nlocal or "
+ "auto Automatic setting based on source file\n"));
+
+ for (i = 0; i < languages_size; ++i)
+ {
+ /* Already dealt with these above. */
+ if (languages[i]->la_language == language_unknown
+ || languages[i]->la_language == language_auto)
+ continue;
+
+ /* FIXME: i18n: for now assume that the human-readable name
+ is just a capitalization of the internal name. */
+ fprintf_unfiltered (tmp_stream, "%-16s Use the %c%s language\n",
+ languages[i]->la_name,
+ /* Capitalize first letter of language
+ name. */
+ toupper (languages[i]->la_name[0]),
+ languages[i]->la_name + 1);
+ }
+
+ language_set_doc = ui_file_xstrdup (tmp_stream, NULL);
+ ui_file_delete (tmp_stream);
+
+ add_setshow_enum_cmd ("language", class_support,
+ (const char **) language_names,
+ &language,
+ language_set_doc,
+ _("Show the current source language."),
+ NULL, set_language_command,
+ show_language_command,
+ &setlist, &showlist);
+
+ xfree (language_set_doc);
+}
+
+/* Iterate through all registered languages looking for and calling
+ any non-NULL struct language_defn.skip_trampoline() functions.
+ Return the result from the first that returns non-zero, or 0 if all
+ `fail'. */
+CORE_ADDR
+skip_language_trampoline (struct frame_info *frame, CORE_ADDR pc)
+{
+ int i;
+
+ for (i = 0; i < languages_size; i++)
+ {
+ if (languages[i]->skip_trampoline)
+ {
+ CORE_ADDR real_pc = (languages[i]->skip_trampoline) (frame, pc);
+
+ if (real_pc)
+ return real_pc;
+ }
+ }
+
+ return 0;
+}
+
+/* Return demangled language symbol, or NULL.
+ FIXME: Options are only useful for certain languages and ignored
+ by others, so it would be better to remove them here and have a
+ more flexible demangler for the languages that need it.
+ FIXME: Sometimes the demangler is invoked when we don't know the
+ language, so we can't use this everywhere. */
+char *
+language_demangle (const struct language_defn *current_language,
+ const char *mangled, int options)
+{
+ if (current_language != NULL && current_language->la_demangle)
+ return current_language->la_demangle (mangled, options);
+ return NULL;
+}
+
+/* Return class name from physname or NULL. */
+char *
+language_class_name_from_physname (const struct language_defn *lang,
+ const char *physname)
+{
+ if (lang != NULL && lang->la_class_name_from_physname)
+ return lang->la_class_name_from_physname (physname);
+ return NULL;
+}
+
+/* Return non-zero if TYPE should be passed (and returned) by
+ reference at the language level. */
+int
+language_pass_by_reference (struct type *type)
+{
+ return current_language->la_pass_by_reference (type);
+}
+
+/* Return zero; by default, types are passed by value at the language
+ level. The target ABI may pass or return some structs by reference
+ independent of this. */
+int
+default_pass_by_reference (struct type *type)
+{
+ return 0;
+}
+
+/* Return the default string containing the list of characters
+ delimiting words. This is a reasonable default value that
+ most languages should be able to use. */
+
+char *
+default_word_break_characters (void)
+{
+ return " \t\n!@#$%^&*()+=|~`}{[]\"';:?/>.<,-";
+}
+
+/* Print the index of array elements using the C99 syntax. */
+
+void
+default_print_array_index (struct value *index_value, struct ui_file *stream,
+ const struct value_print_options *options)
+{
+ fprintf_filtered (stream, "[");
+ LA_VALUE_PRINT (index_value, stream, options);
+ fprintf_filtered (stream, "] = ");
+}
+
+void
+default_get_string (struct value *value, gdb_byte **buffer, int *length,
+ struct type **char_type, const char **charset)
+{
+ error (_("Getting a string is unsupported in this language."));
}
/* Define the language that is no language. */
static void
unk_lang_error (char *msg)
{
- error ("Attempted to parse an expression with unknown language");
+ error (_("Attempted to parse an expression with unknown language"));
}
static void
-unk_lang_emit_char (register int c, struct ui_file *stream, int quoter)
+unk_lang_emit_char (int c, struct type *type, struct ui_file *stream,
+ int quoter)
{
- error ("internal error - unimplemented function unk_lang_emit_char called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_emit_char called."));
}
static void
-unk_lang_printchar (register int c, struct ui_file *stream)
+unk_lang_printchar (int c, struct type *type, struct ui_file *stream)
{
- error ("internal error - unimplemented function unk_lang_printchar called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_printchar called."));
}
static void
-unk_lang_printstr (struct ui_file *stream, char *string, unsigned int length,
- int width, int force_ellipses)
+unk_lang_printstr (struct ui_file *stream, struct type *type,
+ const gdb_byte *string, unsigned int length,
+ const char *encoding, int force_ellipses,
+ const struct value_print_options *options)
{
- error ("internal error - unimplemented function unk_lang_printstr called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_printstr called."));
}
-static struct type *
-unk_lang_create_fundamental_type (struct objfile *objfile, int typeid)
+static void
+unk_lang_print_type (struct type *type, const char *varstring,
+ struct ui_file *stream, int show, int level,
+ const struct type_print_options *flags)
{
- error ("internal error - unimplemented function unk_lang_create_fundamental_type called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_print_type called."));
}
static void
-unk_lang_print_type (struct type *type, char *varstring, struct ui_file *stream,
- int show, int level)
+unk_lang_val_print (struct type *type, const gdb_byte *valaddr,
+ int embedded_offset, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *val,
+ const struct value_print_options *options)
{
- error ("internal error - unimplemented function unk_lang_print_type called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_val_print called."));
}
-static int
-unk_lang_val_print (struct type *type, char *valaddr, int embedded_offset,
- CORE_ADDR address, struct ui_file *stream, int format,
- int deref_ref, int recurse, enum val_prettyprint pretty)
+static void
+unk_lang_value_print (struct value *val, struct ui_file *stream,
+ const struct value_print_options *options)
{
- error ("internal error - unimplemented function unk_lang_val_print called.");
+ error (_("internal error - unimplemented "
+ "function unk_lang_value_print called."));
}
-static int
-unk_lang_value_print (struct value *val, struct ui_file *stream, int format,
- enum val_prettyprint pretty)
+static CORE_ADDR unk_lang_trampoline (struct frame_info *frame, CORE_ADDR pc)
{
- error ("internal error - unimplemented function unk_lang_value_print called.");
+ return 0;
}
-static struct type **CONST_PTR (unknown_builtin_types[]) =
+/* Unknown languages just use the cplus demangler. */
+static char *unk_lang_demangle (const char *mangled, int options)
{
- 0
-};
+ return cplus_demangle (mangled, options);
+}
+
+static char *unk_lang_class_name (const char *mangled)
+{
+ return NULL;
+}
+
static const struct op_print unk_op_print_tab[] =
{
{NULL, OP_NULL, PREC_NULL, 0}
};
+static void
+unknown_language_arch_info (struct gdbarch *gdbarch,
+ struct language_arch_info *lai)
+{
+ lai->string_char_type = builtin_type (gdbarch)->builtin_char;
+ lai->bool_type_default = builtin_type (gdbarch)->builtin_int;
+ lai->primitive_type_vector = GDBARCH_OBSTACK_CALLOC (gdbarch, 1,
+ struct type *);
+}
+
const struct language_defn unknown_language_defn =
{
"unknown",
language_unknown,
- &unknown_builtin_types[0],
range_check_off,
- type_check_off,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ default_read_var_value, /* la_read_var_value */
+ unk_lang_trampoline, /* Language specific skip_trampoline */
+ "this", /* name_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ unk_lang_demangle, /* Language specific symbol demangler */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ default_make_symbol_completion_list,
+ unknown_language_arch_info, /* la_language_arch_info. */
+ default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
+ NULL, /* la_get_symbol_name_cmp */
+ iterate_over_symbols,
LANG_MAGIC
};
-/* These two structs define fake entries for the "local" and "auto" options. */
+/* These two structs define fake entries for the "local" and "auto"
+ options. */
const struct language_defn auto_language_defn =
{
"auto",
language_auto,
- &unknown_builtin_types[0],
range_check_off,
- type_check_off,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ default_read_var_value, /* la_read_var_value */
+ unk_lang_trampoline, /* Language specific skip_trampoline */
+ "this", /* name_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ unk_lang_demangle, /* Language specific symbol demangler */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ default_make_symbol_completion_list,
+ unknown_language_arch_info, /* la_language_arch_info. */
+ default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
+ NULL, /* la_get_symbol_name_cmp */
+ iterate_over_symbols,
LANG_MAGIC
};
{
"local",
language_auto,
- &unknown_builtin_types[0],
range_check_off,
- type_check_off,
case_sensitive_on,
+ array_row_major,
+ macro_expansion_no,
+ &exp_descriptor_standard,
unk_lang_parser,
unk_lang_error,
- evaluate_subexp_standard,
+ null_post_parser,
unk_lang_printchar, /* Print character constant */
unk_lang_printstr,
unk_lang_emit_char,
- unk_lang_create_fundamental_type,
unk_lang_print_type, /* Print a type using appropriate syntax */
+ default_print_typedef, /* Print a typedef using appropriate syntax */
unk_lang_val_print, /* Print a value using appropriate syntax */
unk_lang_value_print, /* Print a top-level value */
- {"", "", "", ""}, /* Binary format info */
- {"0%lo", "0", "o", ""}, /* Octal format info */
- {"%ld", "", "d", ""}, /* Decimal format info */
- {"0x%lx", "0x", "x", ""}, /* Hex format info */
+ default_read_var_value, /* la_read_var_value */
+ unk_lang_trampoline, /* Language specific skip_trampoline */
+ "this", /* name_of_this */
+ basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
+ basic_lookup_transparent_type,/* lookup_transparent_type */
+ unk_lang_demangle, /* Language specific symbol demangler */
+ unk_lang_class_name, /* Language specific
+ class_name_from_physname */
unk_op_print_tab, /* expression operators for printing */
1, /* c-style arrays */
0, /* String lower bound */
- &builtin_type_char, /* Type of string elements */
+ default_word_break_characters,
+ default_make_symbol_completion_list,
+ unknown_language_arch_info, /* la_language_arch_info. */
+ default_print_array_index,
+ default_pass_by_reference,
+ default_get_string,
+ NULL, /* la_get_symbol_name_cmp */
+ iterate_over_symbols,
LANG_MAGIC
};
\f
-/* Initialize the language routines */
+/* Per-architecture language information. */
+
+static struct gdbarch_data *language_gdbarch_data;
+
+struct language_gdbarch
+{
+ /* A vector of per-language per-architecture info. Indexed by "enum
+ language". */
+ struct language_arch_info arch_info[nr_languages];
+};
+
+static void *
+language_gdbarch_post_init (struct gdbarch *gdbarch)
+{
+ struct language_gdbarch *l;
+ int i;
+
+ l = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct language_gdbarch);
+ for (i = 0; i < languages_size; i++)
+ {
+ if (languages[i] != NULL
+ && languages[i]->la_language_arch_info != NULL)
+ languages[i]->la_language_arch_info
+ (gdbarch, l->arch_info + languages[i]->la_language);
+ }
+ return l;
+}
+
+struct type *
+language_string_char_type (const struct language_defn *la,
+ struct gdbarch *gdbarch)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+
+ return ld->arch_info[la->la_language].string_char_type;
+}
+
+struct type *
+language_bool_type (const struct language_defn *la,
+ struct gdbarch *gdbarch)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+
+ if (ld->arch_info[la->la_language].bool_type_symbol)
+ {
+ struct symbol *sym;
+
+ sym = lookup_symbol (ld->arch_info[la->la_language].bool_type_symbol,
+ NULL, VAR_DOMAIN, NULL);
+ if (sym)
+ {
+ struct type *type = SYMBOL_TYPE (sym);
+
+ if (type && TYPE_CODE (type) == TYPE_CODE_BOOL)
+ return type;
+ }
+ }
+
+ return ld->arch_info[la->la_language].bool_type_default;
+}
+
+struct type *
+language_lookup_primitive_type_by_name (const struct language_defn *la,
+ struct gdbarch *gdbarch,
+ const char *name)
+{
+ struct language_gdbarch *ld = gdbarch_data (gdbarch,
+ language_gdbarch_data);
+ struct type *const *p;
+
+ for (p = ld->arch_info[la->la_language].primitive_type_vector;
+ (*p) != NULL;
+ p++)
+ {
+ if (strcmp (TYPE_NAME (*p), name) == 0)
+ return (*p);
+ }
+ return (NULL);
+}
+
+/* Initialize the language routines. */
void
_initialize_language (void)
{
- struct cmd_list_element *set, *show;
+ static const char *const type_or_range_names[]
+ = { "on", "off", "warn", "auto", NULL };
- /* GDB commands for language specific stuff */
+ static const char *const case_sensitive_names[]
+ = { "on", "off", "auto", NULL };
- set = add_set_cmd ("language", class_support, var_string_noescape,
- (char *) &language,
- "Set the current source language.",
- &setlist);
- show = add_show_from_set (set, &showlist);
- set->function.cfunc = set_language_command;
- show->function.cfunc = show_language_command;
+ language_gdbarch_data
+ = gdbarch_data_register_post_init (language_gdbarch_post_init);
+
+ /* GDB commands for language specific stuff. */
add_prefix_cmd ("check", no_class, set_check,
- "Set the status of the type/range checker",
+ _("Set the status of the type/range checker."),
&setchecklist, "set check ", 0, &setlist);
add_alias_cmd ("c", "check", no_class, 1, &setlist);
add_alias_cmd ("ch", "check", no_class, 1, &setlist);
add_prefix_cmd ("check", no_class, show_check,
- "Show the status of the type/range checker",
+ _("Show the status of the type/range checker."),
&showchecklist, "show check ", 0, &showlist);
add_alias_cmd ("c", "check", no_class, 1, &showlist);
add_alias_cmd ("ch", "check", no_class, 1, &showlist);
- set = add_set_cmd ("type", class_support, var_string_noescape,
- (char *) &type,
- "Set type checking. (on/warn/off/auto)",
- &setchecklist);
- show = add_show_from_set (set, &showchecklist);
- set->function.cfunc = set_type_command;
- show->function.cfunc = show_type_command;
-
- set = add_set_cmd ("range", class_support, var_string_noescape,
- (char *) &range,
- "Set range checking. (on/warn/off/auto)",
- &setchecklist);
- show = add_show_from_set (set, &showchecklist);
- set->function.cfunc = set_range_command;
- show->function.cfunc = show_range_command;
-
- set = add_set_cmd ("case-sensitive", class_support, var_string_noescape,
- (char *) &case_sensitive,
- "Set case sensitivity in name search. (on/off/auto)\n\
-For Fortran the default is off; for other languages the default is on.",
- &setlist);
- show = add_show_from_set (set, &showlist);
- set->function.cfunc = set_case_command;
- show->function.cfunc = show_case_command;
+ add_setshow_enum_cmd ("range", class_support, type_or_range_names,
+ &range,
+ _("Set range checking. (on/warn/off/auto)"),
+ _("Show range checking. (on/warn/off/auto)"),
+ NULL, set_range_command,
+ show_range_command,
+ &setchecklist, &showchecklist);
+
+ add_setshow_enum_cmd ("case-sensitive", class_support, case_sensitive_names,
+ &case_sensitive, _("\
+Set case sensitivity in name search. (on/off/auto)"), _("\
+Show case sensitivity in name search. (on/off/auto)"), _("\
+For Fortran the default is off; for other languages the default is on."),
+ set_case_command,
+ show_case_command,
+ &setlist, &showlist);
- add_language (&unknown_language_defn);
- add_language (&local_language_defn);
add_language (&auto_language_defn);
+ add_language (&local_language_defn);
+ add_language (&unknown_language_defn);
- language = savestring ("auto", strlen ("auto"));
- type = savestring ("auto", strlen ("auto"));
- range = savestring ("auto", strlen ("auto"));
- case_sensitive = savestring ("auto",strlen ("auto"));
+ language = xstrdup ("auto");
+ type = xstrdup ("auto");
+ range = xstrdup ("auto");
+ case_sensitive = xstrdup ("auto");
- /* Have the above take effect */
+ /* Have the above take effect. */
set_language (language_auto);
}